STM32H7 datasheet(344/357 Pages) STMICROELECTRONICS

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STM32H742xI/G STM32H743xI/G

344/357

DS12110 Rev 10

Table 228. TFBGA240+25 - Mechanical data

Symbol

millimeters

inches(1)

1. Values in inches are converted from mm and rounded to 4 decimal digits.

Min

Typ

Max

Min

Typ

Max

A(2)

2. The total profile height (Dim A) is measured from the seating plane to the top of the component.

1.200

0.0472

A1(3)

3. - The terminal A1 corner must be identified on the top surface by using a corner chamfer,

ink or metalized markings, or other feature of package body or integral heat slug.

- A distinguishing feature is allowable on the bottom surface of the package to identify the terminal A1

corner. Exact shape of each corner is optional.

0.150

0.0059

0.760

0.0299

b(4)

4. Initial ball equal 0.350mm

0.320

0.450

0.0126

0.0177

13.850

14.000

14.150

0.5453

0.5512

0.5571

12.800

0.5039

13.850

14.000

14.150

0.5453

0.5512

0.5571

12.800

0.5039

0.800

0.0315

0.600

0.0236

0.600

0.0236

ddd

0.100

0.0039

eee(5)

5. The tolerance of position that controls the location of the pattern of balls with respect to datums A and B.

For each ball there is a cylindrical tolerance zone eee perpendicular to datum C and located on true

position with respect to datums A and B as defined by e. The axis perpendicular to datum C of each ball

must lie within this tolerance zone.

0.150

0.0059

fff(6)

6. The tolerance of position that controls the location of the balls within the matrix with respect to each other.

For each ball there is a cylindrical tolerance zone fff perpendicular to datum C and located on true position

as defined by e. The axis perpendicular to datum C of each ball must lie within this tolerance zone. Each

tolerance zone fff in the array is contained entirely in the respective zone eee above The axis of each ball

must lie simultaneously in both tolerance zones.

0.080

0.0031

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